randygrein at comcast.net
Wed Feb 4 23:02:33 PST 2009
Crankcase pressure is an order of magnitude smaller than the next
highest, water pressure. Not an issue....
Randy Grein, WMRRA #41
On Feb 4, 2009, at 7:47 AM, Steve Robertson wrote:
> I certainly have heard of people doing this (permatex). I wonder what
> is the most important variable to take into consideration, perfectly
> flat mating surfaces or max pressure? What about getting "blown out"
> crankcase pressure?
>> The problem with copper is that it does not spring quite as much as
>> a steel ridged gasket. So you can get leakage at the pressure
>> areas of oil and water passage. IIRC the oil passage is after the
>> oil jet so is probably pretty low pressure, but the water passage
>> will be 10-15 psi. I still want to build a motor using permatex
>> gasket flange maker as a base gasket and see if it works.
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